Transcriptomics

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The Mycobacterium tuberculosis Rv2745c Plays an Important Role in Responding to Redox Stress


ABSTRACT: The Rv2745c (clgR) gene encodes a Clp protease gene regulator that is induced in response to a variety of stress conditions and potentially plays a role in Mtb pathogenesis. The isogenic Mtb:ΔRv2745c mutant is significantly more sensitive to in vitro redox stress generated by diamide, relative to wild-type Mtb, implicating a role for ClgR in the management of intraphagosomal redox stress. Redox stress led to dysregulation of the σH regulon in the isogenic mutant, Mtb:ΔRv2745c. Induction of clgR in Mtb and Mtb:ΔRv2745c (comp) did not lead to Clp protease induction, indicating that clgR has additional functions that need to be elucidated. Disruption of genes involved in sulfate assimilation also occurred in the knock out, implicating clgR as a possible regulator of downstream signaling cascades that facilitate Mtb survival.

ORGANISM(S): Mycobacterium tuberculosis H37Rv Mycobacterium tuberculosis CDC1551

PROVIDER: GSE55817 | GEO | 2014/03/25

SECONDARY ACCESSION(S): PRJNA242600

REPOSITORIES: GEO

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